Online PHP editor | output for 1laVd

@ 2014-01-17T14:59:34Z

<?php
$classmap1 = array();

for ($i=1; $i<=100; $i++) {
    $classmap1['a'.$i] = $i+1;
}
$classmap2 = array();

for ($i=1; $i<=100; $i++) {
    $classmap2['b'.$i] = $i+1;
}


$startTimeMerge = microtime(true); 
$map = array_merge($classmap1, $classmap2);
$endTimeMerge = microtime(true);

$startTimeForeach = microtime(true);
foreach ($classmap2 as $k => $v) {
	$classmap1[$k] = $v;
}
$endTimeForeach = microtime(true);



abstract class merging {
    public static function amerge(array &$a, array &$b)
    {
        foreach ($b as $key => $value) {
                $a[$key] = $value;
        }
        return $a;
    }
}


$startTimeFunc = microtime(true);
merging:amerge($classmap1, $classmap2);
$endTimeFunc = microtime(true);




echo "Merging took " . (($endTimeMerge - $startTimeMerge)*1000) ." microseconds<br />\n";
//var_dump($map);
echo "Foreach took " . (($endTimeForeach - $startTimeForeach)*1000) ." microseconds<br />\n";
//var_dump($classmap1);
echo "Func took " . (($endTimeFunc - $startTimeFunc)*1000) ." microseconds<br />\n";
//var_dump($am);

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0: Fatal error: Uncaught Error: Call to undefined function amerge() in /in/1laVd:38 Stack trace: #0 {main} thrown in /in/1laVd on line 38
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21: Fatal error: Call to undefined function amerge() in /in/1laVd on line 38
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected ':' in /in/1laVd on line 38
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/1laVd on line 27
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_CLASS in /in/1laVd on line 26
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_CLASS in /in/1laVd on line 26
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/1laVd on line 26
Process exited with code 255.

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